技术领域technical field
本发明涉及呼吸面罩领域，具体地，涉及一种用于连接连接管和框架的呼吸面罩连接件，以及一种呼吸面罩。The invention relates to the field of respiratory masks, in particular to a respiratory mask connector for connecting a connecting pipe and a frame, and a respiratory mask.
背景技术Background technique
非侵入式正压通气治疗广泛地应用于治疗阻塞性睡眠呼吸暂停(OSA)、慢性阻塞性肺气肿(COPD)、上呼吸道阻力综合症(UARS)和充血性心力衰竭等呼吸问题，该种治疗方法不需要通过外科手术将管子插入病人的气道，而是利用风机通过管路给病人输送持续的压力通气(CPAP)或者变化的压力通气。Non-invasive positive pressure ventilation therapy is widely used to treat respiratory problems such as obstructive sleep apnea (OSA), chronic obstructive pulmonary emphysema (COPD), upper airway resistance syndrome (UARS) and congestive heart failure. The treatment method does not need to insert a tube into the patient's airway through surgery, but uses a fan to deliver continuous pressure ventilation (CPAP) or variable pressure ventilation to the patient through the tube.
现有的非侵入式通气治疗过程中通常需要配备呼吸面罩，呼吸面罩可分为鼻面罩、口鼻面罩、鼻垫面罩和全脸面罩等类型。Existing non-invasive ventilation treatment usually needs to be equipped with respiratory masks, which can be divided into nasal masks, oral and nasal masks, nasal pad masks and full-face masks.
呼吸面罩的典型结构包括框架、衬垫、连接管和头带等部件。衬垫固定在框架上，衬垫与框架一起形成一个气体腔室，连接管与框架连接以将气体输送至气体腔室内，头带与使用者头部连接以将呼吸面罩固定在使用者头部的合适位置上。The typical structure of a respiratory mask includes components such as a frame, a pad, a connecting tube, and a headgear. The liner is fixed on the frame, the liner and the frame together form a gas chamber, the connecting tube is connected with the frame to deliver the gas into the gas chamber, and the headband is connected with the user's head to fix the breathing mask on the user's head in the appropriate position.
在使用时衬垫与使用者面部接触并实现与面部的密封，使用者的口和/或鼻位于气体腔室内。In use, the cushion contacts and seals against the user's face, with the user's mouth and/or nose located within the gas chamber.
由于使用者佩戴呼吸面罩时总是伴随身体或头部的移动，导致连接管对呼吸面罩的框架拉扯，进而导致衬垫密封效果不好以及使用者佩带不舒适等问题。Since the user always moves with the body or the head when wearing the breathing mask, the connecting tube pulls on the frame of the breathing mask, which leads to problems such as poor gasket sealing effect and uncomfortable wearing by the user.
为了避免拉扯，连接管与框架之间的连接通常为连接管与框架可相对转动的连接方式，以减小连接管对框架的拉扯。In order to avoid pulling, the connection between the connecting pipe and the frame is usually in a way that the connecting pipe and the frame can rotate relative to each other, so as to reduce the pulling of the connecting pipe on the frame.
如图1和图2所示，为现有的连接管与框架的两种连接结构。As shown in Fig. 1 and Fig. 2, there are two connection structures of existing connecting pipes and frames.
图1示出的连接管与框架的连接结构可实现连接管1′与框架2′在一个平面内360°的相对旋转，但是这种连接结构旋转的自由度小，对减少连接管1′对框架2′的拉扯影响作用有限。The connection structure between the connecting pipe and the frame shown in Figure 1 can realize the relative rotation of the connecting pipe 1' and the frame 2' in a plane of 360°, but the degree of freedom of rotation of this connecting structure is small. The pulling effect of frame 2' is limited.
图2示出的连接管1′与框架2′球窝连接，这种连接结构旋转的自由度较大，但是当框架2′与连接管1′连接的开口过大时，连接管1′容易松脱；当框架2′与连接管1′连接的开口过小时，刚性的框架2′模制难度大。The connecting pipe 1' shown in Fig. 2 is connected to the ball and socket of the frame 2'. This connection structure has a large degree of freedom of rotation, but when the opening of the connecting pipe 1' between the frame 2' and the connecting pipe 1' is too large, the connecting pipe 1' is easy to Loosening; when the opening where the frame 2' is connected to the connecting pipe 1' is too small, it is very difficult to mold the rigid frame 2'.
因此，需要对现有的连接管与框架连接结构进行改进，以解决现有技术中的至少一个问题。Therefore, it is necessary to improve the existing connection structure between the connecting pipe and the frame, so as to solve at least one problem in the prior art.
发明内容Contents of the invention
本发明的一个目的是解决现有技术中的缺陷，提供一种用于连接呼吸面罩的连接管和框架的呼吸面罩连接件的新技术方案。An object of the present invention is to solve the deficiencies in the prior art and provide a new technical solution for the connecting piece of the breathing mask used to connect the connecting tube and the frame of the breathing mask.
根据本发明的第一方面，提供了一种呼吸面罩连接件。According to a first aspect of the invention there is provided a respiratory mask attachment.
该呼吸面罩连接件用于连接框架和连接管，所述呼吸面罩连接件具有连接面和球面；其中，所述连接面被设置为用于与所述框架相连接；The breathing mask connecting piece is used to connect the frame and the connecting pipe, and the breathing mask connecting piece has a connecting surface and a spherical surface; wherein, the connecting surface is configured to be connected to the frame;
所述球面被设置为用于与所述连接管的管头球窝连接；The spherical surface is configured to be connected with the head ball and socket of the connecting pipe;
所述连接面和所述球面分别为所述呼吸面罩连接件的外壁面和内壁面中的一个。The connecting surface and the spherical surface are respectively one of the outer wall surface and the inner wall surface of the connecting piece of the respiratory mask.
可选地，所述外壁面与所述框架固定连接，所述管头与所述内壁面球窝连接。Optionally, the outer wall is fixedly connected to the frame, and the pipe head is ball-and-socket connected to the inner wall.
可选地，所述呼吸面罩连接件位于所述框架和所述管头之间，以隔离所述框架和所述管头。Optionally, the respiratory mask connector is located between the frame and the head to isolate the frame from the head.
可选地，所述框架具有框架球面；Optionally, the frame has a frame spherical surface;
所述管头与所述球面和所述框架球面球窝配合。The pipe head fits with the spherical surface and the spherical surface of the frame.
可选地，所述呼吸面罩连接件为弹性件。Optionally, the connecting part of the breathing mask is an elastic part.
可选地，所述呼吸面罩连接件包括第一连接部和第二连接部；Optionally, the respiratory mask connector includes a first connecting portion and a second connecting portion;
所述第一连接部被设置为用于与所述框架固定连接；The first connecting portion is configured to be fixedly connected to the frame;
所述第二连接部被设置为用于与所述衬垫固定连接。The second connecting portion is configured for fixed connection with the pad.
可选地，所述呼吸面罩连接件朝向所述管头的开口端与所述框架朝向所述管头的开口端相齐平。Optionally, the opening end of the breathing mask connection part facing the tube head is flush with the opening end of the frame facing the tube head.
可选地，所述管头的轴向长度大于所述呼吸面罩连接件的轴向长度的一半。Optionally, the axial length of the tube head is greater than half of the axial length of the connecting piece of the respiratory mask.
可选地，所述框架的刚度大于所述呼吸面罩连接件的刚度。Optionally, the stiffness of the frame is greater than the stiffness of the respiratory mask attachment.
根据本发明的第二方面，提供了一种呼吸面罩。According to a second aspect of the invention there is provided a respiratory mask.
该呼吸面罩包括连接管、框架、衬垫和本发明的呼吸面罩连接件。The breathing mask comprises a connecting tube, a frame, a cushion and the connecting piece of the breathing mask of the present invention.
本发明的呼吸面罩连接件的连接面与框架相连接，球面与管头球窝连接，使得连接管可相对于框架的多自由度旋转。此外，通过呼吸面罩连接件的设置，使得连接管容易安装，有效避免了连接管松脱，解决了框架因直接与连接管球窝连接导致的框架模制难度高的问题。The connecting surface of the connecting piece of the breathing mask of the present invention is connected with the frame, and the spherical surface is connected with the ball and socket of the pipe head, so that the connecting pipe can rotate relative to the frame with multiple degrees of freedom. In addition, through the setting of the connecting piece of the breathing mask, the connecting pipe is easy to install, which effectively avoids the loosening of the connecting pipe, and solves the problem of high difficulty in frame molding caused by the direct connection of the frame to the ball socket of the connecting pipe.
本发明的呼吸面罩连接件的构成简单，成本低，装配方便，有利于大规模制造。通过以下参照附图对本发明的示例性实施例的详细描述，本发明的其它特征及其优点将会变得清楚。The connecting piece of the breathing mask of the present invention has the advantages of simple structure, low cost, convenient assembly, and is favorable for large-scale manufacturing. Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings.
附图说明Description of drawings
被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例，并且连同其说明一起用于解释本发明的原理。The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
图1为呼吸面罩连接件现有技术一的结构示意图。Fig. 1 is a structural schematic diagram of the first prior art of a respiratory mask connector.
图2为呼吸面罩连接件现有技术二的结构示意图。Fig. 2 is a schematic structural diagram of the second prior art of the respiratory mask connector.
图3为本发明呼吸面罩连接件实施例的结构示意图。Fig. 3 is a schematic structural view of an embodiment of the connecting piece of the breathing mask of the present invention.
图4为本发明呼吸面罩连接件与框架和连接管装配在一起的实施例一的结构示意图。Fig. 4 is a structural schematic diagram of Embodiment 1 in which the breathing mask connector, the frame and the connecting pipe are assembled together in the present invention.
图5为图4中呼吸面罩连接件、框架和连接管的装配过程示意图。Fig. 5 is a schematic diagram of the assembly process of the respiratory mask connector, frame and connecting pipe in Fig. 4 .
图6为图4的爆炸图。FIG. 6 is an exploded view of FIG. 4 .
图7为本发明呼吸面罩连接件与框架和连接管装配在一起的实施例二的结构示意图。Fig. 7 is a structural schematic diagram of Embodiment 2 in which the respiratory mask connector, the frame and the connecting pipe are assembled together in the present invention.
图8为本发明呼吸面罩实施例一的结构示意图。Fig. 8 is a schematic structural view of Embodiment 1 of the breathing mask of the present invention.
图9为图8的爆炸图。FIG. 9 is an exploded view of FIG. 8 .
图10为本发明呼吸面罩实施例二的结构示意图。Fig. 10 is a schematic structural view of Embodiment 2 of the breathing mask of the present invention.
图中标示如下：The diagram is marked as follows:
连接管-1′，框架-2′，连接管-1，管头-11，框架-2，框架球面-21，呼吸面罩连接件-3，连接面-31，球面-32，第一连接部-33，第二连接部-34，配合环槽-35，衬垫-4，配合环凸-41，气体腔室-5。Connecting tube-1', frame-2', connecting tube-1, tube head-11, frame-2, frame spherical surface-21, respiratory mask connector-3, connecting surface-31, spherical surface-32, first connecting part -33, the second connection part-34, the matching ring groove-35, the liner-4, the matching ring protrusion-41, the gas chamber-5.
具体实施方式detailed description
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.
在这里示出和讨论的所有例子中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它例子可以具有不同的值。In all examples shown and discussed herein, any specific values should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have different values.
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。It should be noted that like numerals and letters denote like items in the following figures, therefore, once an item is defined in one figure, it does not require further discussion in subsequent figures.
为了解决现有的呼吸面罩的连接管与框架连接结构中存在的问题，本发明提供了一种呼吸面罩连接件3，如图3至图7所示，呼吸面罩连接件3用于连接框架2和连接管1。In order to solve the problems existing in the connection structure between the connecting pipe and the frame of the existing breathing mask, the present invention provides a connecting piece 3 of the breathing mask, as shown in Figures 3 to 7, the connecting piece 3 of the breathing mask is used to connect the frame 2 and connecting pipe 1.
呼吸面罩连接件1具有连接面31和球面32。The breathing mask connection part 1 has a connection surface 31 and a spherical surface 32 .
连接面31被设置为用于与框架2相连接。连接面31与框架2之间的连接可通过多种方式实现，例如，连接面31与框架2之间的连接为固定连接，或者为可拆卸连接。The connection surface 31 is provided for connection to the frame 2 . The connection between the connection surface 31 and the frame 2 can be realized in various ways, for example, the connection between the connection surface 31 and the frame 2 is a fixed connection or a detachable connection.
可选地，呼吸面罩连接件3与框架2之间可通过凸起或凹槽的配合，或者胶粘，或者超声波焊接等方式连接在一起。Optionally, the connecting part 3 of the respiratory mask and the frame 2 can be connected together through the cooperation of protrusions or grooves, or by gluing, or ultrasonic welding.
球面32被设置为用于与连接管1的管头11球窝连接。本领域技术人员可容易想到，呼吸面罩连接件3和管头11之间还可加入可起到润滑作用的润滑油或者润滑液。The spherical surface 32 is provided for ball and socket connection with the pipe head 11 of the connecting pipe 1 . Those skilled in the art can easily imagine that lubricating oil or lubricating liquid can also be added between the breathing mask connecting piece 3 and the tube head 11 .
连接面31和球面32分别为呼吸面罩连接件1的外壁面和内壁面中的一个。The connection surface 31 and the spherical surface 32 are respectively one of the outer wall surface and the inner wall surface of the respiratory mask connecting piece 1 .
如图4和图7中所示，具体实施时，连接面31可为呼吸面罩连接件1的外壁面，球面32可为呼吸面罩连接件的内壁面。呼吸面罩连接件1的外壁面可与框架2的内表面连接在一起，呼吸面罩连接件1的内壁面可与管头11的外表面球窝配合。这样，呼吸面罩的连接管1和框架2连接时，由内至外的部件依次为管头11、呼吸面罩连接件3和框架2。As shown in FIG. 4 and FIG. 7 , in practice, the connection surface 31 can be the outer wall surface of the respiratory mask connecting piece 1 , and the spherical surface 32 can be the inner wall surface of the breathing mask connecting piece. The outer wall surface of the respiratory mask connector 1 can be connected with the inner surface of the frame 2 , and the inner wall surface of the respiratory mask connector 1 can be ball-and-socket fitted with the outer surface of the tube head 11 . In this way, when the connecting pipe 1 of the breathing mask is connected to the frame 2, the components from inside to outside are the tube head 11, the connecting piece 3 of the breathing mask and the frame 2 in sequence.
或者，连接面31可为呼吸面罩连接件1的内壁面，球面32可为呼吸面罩连接件的外壁面。呼吸面罩连接件的内壁面可与框架2的外表面连接在一起，呼吸面罩连接件1的外壁面可与管头11的内表面球窝配合。这样，呼吸面罩的连接管1和框架2连接时，由内至外的部件依次为框架2、呼吸面罩连接件3和管头11。Alternatively, the connection surface 31 can be the inner wall surface of the breathing mask connecting piece 1, and the spherical surface 32 can be the outer wall surface of the breathing mask connecting piece. The inner wall of the breathing mask connecting piece can be connected with the outer surface of the frame 2 , and the outer wall of the breathing mask connecting piece 1 can be ball-and-socket fitted with the inner surface of the tube head 11 . In this way, when the connecting pipe 1 of the breathing mask is connected to the frame 2, the components from inside to outside are the frame 2, the connecting piece 3 of the breathing mask and the tube head 11 in sequence.
本领域技术人员可根据实际需求选择管头11、框架2和呼吸面罩连接件3之间的排布关系。Those skilled in the art can select the arrangement relationship among the tube head 11, the frame 2 and the respiratory mask connector 3 according to actual needs.
本发明的呼吸面罩连接件1的连接面31与框架2相连接，球面32与管头11球窝连接，使得连接管1可相对于框架2的多自由度旋转。此外，通过呼吸面罩连接件1的设置，使得连接管1容易安装，有效避免了连接管1松脱，解决了框架2因直接与连接管1球窝连接导致的框架2模制难度高的问题。The connection surface 31 of the breathing mask connector 1 of the present invention is connected to the frame 2 , and the spherical surface 32 is connected to the ball and socket of the pipe head 11 , so that the connection pipe 1 can rotate relative to the frame 2 with multiple degrees of freedom. In addition, through the setting of the breathing mask connector 1, the connecting tube 1 is easy to install, effectively avoiding the loosening of the connecting tube 1, and solving the problem that the frame 2 is difficult to mold due to the direct ball and socket connection of the connecting tube 1. .
本发明的呼吸面罩连接件3的构成简单，成本低，装配方便，有利于大规模制造。The respiratory mask connector 3 of the present invention has simple structure, low cost, convenient assembly, and is conducive to large-scale manufacturing.
如图4和图7所示，在本发明呼吸面罩连接件3的一个实施例中，外壁面与框架2固定连接，管头11与内壁面球窝连接。也即是，连接面31与框架2固定连接，管头11与球面32球窝配合。As shown in Fig. 4 and Fig. 7, in one embodiment of the breathing mask connector 3 of the present invention, the outer wall is fixedly connected to the frame 2, and the tube head 11 is ball-and-socket connected to the inner wall. That is, the connection surface 31 is fixedly connected with the frame 2 , and the pipe head 11 is in ball-and-socket fit with the spherical surface 32 .
连接面31和框架2之间的固定连接可通过凸起或凹槽的配合、和/或胶粘、和/或超声波焊接等方式实现。The fixed connection between the connection surface 31 and the frame 2 can be realized by means of fitting of protrusions or grooves, and/or gluing, and/or ultrasonic welding.
在该实施例中，呼吸面罩连接件3可更方便地与连接管1和框架2装配在一起。In this embodiment, the connecting piece 3 of the breathing mask can be assembled with the connecting tube 1 and the frame 2 more conveniently.
以图5中示出的呼吸面罩连接件3、框架2和连接管1的装配过程为例，可先将连接管1的管头11装配至呼吸面罩连接件3上，接着将装配在一起的连接管1和呼吸面罩连接件3装配至框架2中，再将呼吸面罩连接件3和框架2通过例如是超声波焊接的方式连接在一起。这样，框架2包裹在呼吸面罩连接件3的连接面31上，从而使得呼吸面罩连接件3不易变形，连接管1不易松脱。Take the assembly process of the breathing mask connector 3, frame 2 and connecting tube 1 shown in Figure 5 as an example, the tube head 11 of the connecting tube 1 can be assembled on the breathing mask connecting part 3 first, and then the assembled The connecting pipe 1 and the breathing mask connecting piece 3 are assembled into the frame 2, and then the breathing mask connecting piece 3 and the frame 2 are connected together by, for example, ultrasonic welding. In this way, the frame 2 wraps on the connecting surface 31 of the breathing mask connecting piece 3, so that the breathing mask connecting piece 3 is not easily deformed, and the connecting tube 1 is not easy to loosen.
如图4所示，为本发明的呼吸面罩连接件1与框架2和连接管1装配在一起的一个实施例的结构示意图。在图4中，呼吸面罩连接件3位于框架2和管头11之间，以隔离框架2和管头11。这样，呼吸面罩连接件3将框架2和管头11完全分隔开来，有利于提高管头11相对于呼吸面罩连接件3转动的顺畅性，避免管头旋转阻滞。As shown in FIG. 4 , it is a structural schematic view of an embodiment in which the breathing mask connector 1 , the frame 2 and the connecting pipe 1 are assembled together in the present invention. In FIG. 4 , the breathing mask connector 3 is located between the frame 2 and the tube head 11 to isolate the frame 2 and the tube head 11 . In this way, the breathing mask connecting piece 3 completely separates the frame 2 from the tube head 11, which is beneficial to improving the smoothness of the tube head 11 rotating relative to the breathing mask connecting piece 3, and avoiding the rotation block of the tube head.
如图7所示，为本发明的呼吸面罩连接件1与框架2和连接管1装配在一起的另一个实施例的结构示意图。在图7和图10中，框架2具有框架球面21，管头11与球面32和框架球面21球窝配合。这样，连接管1的管头11同时与呼吸面罩连接件3的球面32和框架2的框架球面21球窝配合，有利于提高管头11球窝配合的可靠性。球面32和框架球面21之间可平滑过渡设置，使得球面32和框架球面21形成一个完整的球面。As shown in FIG. 7 , it is a structural schematic view of another embodiment in which the breathing mask connector 1 , the frame 2 and the connecting pipe 1 are assembled together in the present invention. In FIGS. 7 and 10 , the frame 2 has a frame spherical surface 21 , and the pipe head 11 is in ball-and-socket fit with the spherical surface 32 and the frame spherical surface 21 . In this way, the tube head 11 of the connecting tube 1 is ball-and-socket-fit with the spherical surface 32 of the respiratory mask connector 3 and the frame spherical surface 21 of the frame 2 at the same time, which is beneficial to improve the reliability of the ball-and-socket fit of the tube head 11 . A smooth transition can be provided between the spherical surface 32 and the frame spherical surface 21, so that the spherical surface 32 and the frame spherical surface 21 form a complete spherical surface.
可选地，呼吸面罩连接件3为弹性件，以更方便地将呼吸面罩连接件3与连接管1和框架2装配在一起。Optionally, the connecting piece 3 of the breathing mask is an elastic member, so as to assemble the connecting piece 3 of the breathing mask with the connecting pipe 1 and the frame 2 more conveniently.
具体实施时，呼吸面罩连接件3可为薄壁件，以提高呼吸面罩连接件3的弹性形变能力。更具体地，上述薄壁件是指壁厚为0.7mm至1.2mm。During specific implementation, the connecting part 3 of the breathing mask can be a thin-walled part, so as to improve the elastic deformation capability of the connecting part 3 of the breathing mask. More specifically, the aforementioned thin-walled part refers to a wall thickness of 0.7 mm to 1.2 mm.
在本发明呼吸面罩连接件3的另一个实施例中，呼吸面罩连接件3包括第一连接部33和第二连接部34。第一连接部33被设置为用于与框架2固定连接。第二连接部34被设置为用于与衬垫4固定连接。In another embodiment of the breathing mask connecting part 3 of the present invention, the breathing mask connecting part 3 comprises a first connecting part 33 and a second connecting part 34 . The first connecting portion 33 is configured for fixed connection with the frame 2 . The second connection portion 34 is provided for fixed connection with the pad 4 .
在具体实施时，第一连接部33和第二连接部34均可位于呼吸面罩连接件3的连接面31上。或者，第一连接件33和第二连接部34均可位于呼吸面罩连接件3的外壁面上。In a specific implementation, both the first connecting portion 33 and the second connecting portion 34 can be located on the connecting surface 31 of the respiratory mask connecting piece 3 . Alternatively, both the first connecting part 33 and the second connecting part 34 can be located on the outer wall of the breathing mask connecting part 3 .
可选地，如图4和图7所示，第一连接部33为自呼吸面罩连接件3的连接面31向外延伸的凸起，框架2上设有与该凸起相配合的凹槽。凸起与凹槽可通过卡合的方式连接在一起。或者，在凸起与凹槽卡合的基础上，凸起与凹槽的接触面之间还通过胶粘和/或超声波焊接的方式连接，以保证呼吸面罩连接件3与框架2之间连接的可靠性。Optionally, as shown in Figures 4 and 7, the first connecting portion 33 is a protrusion extending outward from the connecting surface 31 of the breathing mask connecting piece 3, and the frame 2 is provided with a groove that matches the protrusion . The protrusion and the groove can be connected together by snap-fitting. Alternatively, on the basis of the engagement between the protrusion and the groove, the contact surfaces of the protrusion and the groove are also connected by gluing and/or ultrasonic welding to ensure the connection between the breathing mask connector 3 and the frame 2 reliability.
如图6和图9所示，第一连接部33可为环形凸起。凸起的数量可根据实际需求灵活选择，例如，呼吸面罩连接件3上有一条作为第一连接部33的环形凸起，或者呼吸面罩连接件3上设有多条平行设置或非平行设置的、作为第一连接部33的环形凸起。As shown in FIGS. 6 and 9 , the first connecting portion 33 may be an annular protrusion. The number of protrusions can be flexibly selected according to actual needs. For example, there is an annular protrusion as the first connecting part 33 on the breathing mask connecting part 3, or a plurality of parallel or non-parallel setting are provided on the breathing mask connecting part 3. , as the annular protrusion of the first connecting portion 33 .
可选地，如图4和图7所示，第一连接部33为自呼吸面罩连接件3的连接面31向外延伸的凸起，框架2上设有与该凸起相配合的凹槽。凸起与凹槽可通过卡合的方式连接在一起。或者，在凸起与凹槽卡合的基础上，凸起与凹槽的接触面之间还通过胶粘和/或超声波焊接的方式连接，以保证呼吸面罩连接件3与框架2之间连接的可靠性。Optionally, as shown in Figures 4 and 7, the first connecting portion 33 is a protrusion extending outward from the connecting surface 31 of the breathing mask connecting piece 3, and the frame 2 is provided with a groove that matches the protrusion . The protrusion and the groove can be connected together by snap-fitting. Alternatively, on the basis of the engagement between the protrusion and the groove, the contact surfaces of the protrusion and the groove are also connected by gluing and/or ultrasonic welding to ensure the connection between the breathing mask connector 3 and the frame 2 reliability.
如图6和图9所示，第二连接部34可为环形凸起。凸起的数量可根据实际需求灵活选择，例如，呼吸面罩连接件3上有一条作为第二连接部34的环形凸起，或者呼吸面罩连接件3上设有多条平行设置或非平行设置的、作为第二连接部34的环形凸起。在此，可在衬垫4上设置与第二连接部34相配合的凹槽。凸起与凹槽可通过卡合的方式连接在一起。或者，在凸起与凹槽卡合的基础上，凸起与凹槽的接触面之间还通过胶粘和/或超声波焊接的方式连接，以保证呼吸面罩连接件3与框架2之间连接的可靠性。As shown in FIGS. 6 and 9 , the second connecting portion 34 may be an annular protrusion. The number of protrusions can be flexibly selected according to actual needs. For example, there is an annular protrusion as the second connecting part 34 on the breathing mask connecting part 3, or a plurality of parallel or non-parallel setting are provided on the breathing mask connecting part 3. , as the annular protrusion of the second connecting portion 34 . Here, a groove matching the second connecting portion 34 can be provided on the gasket 4 . The protrusion and the groove can be connected together by snap-fitting. Alternatively, on the basis of the engagement between the protrusion and the groove, the contact surfaces of the protrusion and the groove are also connected by gluing and/or ultrasonic welding to ensure the connection between the breathing mask connector 3 and the frame 2 reliability.
如图4、图7、图8至图10所示，具体实施时，第一连接部33和第二连接部34均为自呼吸面罩连接件3的连接面31向外延伸的凸起，第一连接部33和第二连接部34形成了配合环槽35。衬垫4上设有与配合环槽35相配合的配合环凸41。配合环凸41与配合环槽35可通过卡合的方式连接在一起。或者，在配合环凸41与配合环槽35卡合的基础上，配合环凸41与配合环槽35的接触面之间还通过胶粘和/或超声波焊接的方式连接，以保证呼吸面罩连接件3与衬垫4之间连接的可靠性。As shown in Fig. 4, Fig. 7, Fig. 8 to Fig. 10, during specific implementation, the first connecting part 33 and the second connecting part 34 are protrusions extending outward from the connecting surface 31 of the respiratory mask connecting part 3, and the second The first connecting portion 33 and the second connecting portion 34 form a matching ring groove 35 . A mating ring protrusion 41 matching the mating ring groove 35 is provided on the liner 4 . The mating ring protrusion 41 and the mating ring groove 35 can be connected together by snap-fitting. Or, on the basis of engaging the matching ring protrusion 41 with the matching ring groove 35, the contact surfaces of the matching ring protrusion 41 and the matching ring groove 35 are also connected by gluing and/or ultrasonic welding to ensure that the breathing mask is connected. The reliability of the connection between piece 3 and pad 4.
当然，第一连接部和第二连接部不限于是连接面31上的凸起，第一连接部可以是整个连接面31或者是连接面31的一部分。可选地，第一连接部是整个连接面31，以保证呼吸面罩连接件3与框架2之间连接的可靠性。Certainly, the first connecting portion and the second connecting portion are not limited to being protrusions on the connecting surface 31 , and the first connecting portion may be the entire connecting surface 31 or a part of the connecting surface 31 . Optionally, the first connecting portion is the entire connecting surface 31 , so as to ensure the reliability of the connection between the breathing mask connecting piece 3 and the frame 2 .
第二连接部可以是配合环槽35，衬垫4直接与配合环槽35连接来实现呼吸面罩连接件3与衬垫4之间的连接。第一连接部和第二连接部不限于上述描述的具体实施例，第一连接部只要能保证呼吸面罩连接件3与框架2之间连接的可靠性即可，第二连接部只要能保证呼吸面罩连接件3与衬垫4之间连接的可靠性即可。The second connecting part may be a fitting ring groove 35 , and the pad 4 is directly connected with the fitting ring groove 35 to realize the connection between the respiratory mask connector 3 and the pad 4 . The first connection part and the second connection part are not limited to the specific embodiment described above, as long as the first connection part can ensure the reliability of the connection between the breathing mask connector 3 and the frame 2, as long as the second connection part can ensure the breathing The reliability of the connection between the mask connector 3 and the cushion 4 is sufficient.
在本发明呼吸面罩连接件3的又一个实施例中，呼吸面罩连接件3朝向管头11的开口端与框架3朝向管头11的开口端相齐平。以图4所示为例，呼吸面罩连接件3的右侧端口与框架2的右侧端口相齐平。呼吸面罩连接件3朝向管头11的开口端与框架2朝向管头11的开口端相齐平的设置有利于以保证连接管1转动的顺畅，提高呼吸面罩的外观的美观性。In yet another embodiment of the breathing mask connecting piece 3 of the present invention, the opening end of the breathing mask connecting piece 3 facing the tube head 11 is flush with the opening end of the frame 3 facing the tube head 11 . Taking FIG. 4 as an example, the right port of the respiratory mask connector 3 is flush with the right port of the frame 2 . The setting of the opening end of the breathing mask connector 3 facing the tube head 11 flush with the opening end of the frame 2 facing the tube head 11 is beneficial to ensure the smooth rotation of the connecting tube 1 and improve the appearance of the breathing mask.
为了避免管头11自呼吸面罩连接件3内脱出，管头11的轴向长度大于呼吸面罩连接件3的轴向长度的一半。管头11的长度大于连接件3的长度的一半还有利于连接管1在连接件3内转动的顺滑性。In order to prevent the tube head 11 from coming out of the respiratory mask connection part 3 , the axial length of the tube head 11 is greater than half of the axial length of the respiratory mask connection part 3 . The length of the pipe head 11 being greater than half of the length of the connecting piece 3 is also conducive to smooth rotation of the connecting pipe 1 in the connecting piece 3 .
在本发明呼吸面罩连接件3的再一个实施例中，框架2的刚度大于呼吸面罩连接件3的刚度。本领域技术人员应当清楚，刚度是指材料或结构在受力时抵抗弹性变形的能力。In yet another embodiment of the respiratory mask attachment 3 of the present invention, the rigidity of the frame 2 is greater than the rigidity of the respiratory mask attachment 3 . It should be clear to those skilled in the art that stiffness refers to the ability of a material or structure to resist elastic deformation when a force is applied.
框架2的刚度大于呼吸面罩连接件3的刚度，这有利于保证框架2对呼吸面罩连接件3的包裹能力，连接管1不容易松脱，降低了呼吸面罩连接件3的模制难度，降低了呼吸面罩连接件3的成本。The rigidity of the frame 2 is greater than that of the respiratory mask connector 3, which is beneficial to ensure the wrapping ability of the frame 2 to the respiratory mask connector 3, and the connecting tube 1 is not easy to loosen, which reduces the molding difficulty of the respiratory mask connector 3, reduces The cost of the breathing mask connector 3 is reduced.
可选地，在具体实施的过程中，框架2的材质为刚性塑料，呼吸面罩连接件3的材质为半刚性塑料。更具体地，框架2的材质可为PC(Polycarbonate，聚碳酸酯)、ABS(Acrylonitrile butadiene Styrene copolymers，丙烯腈-丁二烯-苯乙烯共聚物)和尼龙(Nylon，聚酰胺)等，连接件3的材质可为PP(Polypropylene，聚丙烯)、PE(polyethylene，聚乙烯)、PA66(聚酰胺66或尼龙66)和TPE(Thermoplastic Elastomer，热塑性弹性体TPE)等。Optionally, in a specific implementation process, the material of the frame 2 is rigid plastic, and the material of the respiratory mask connector 3 is semi-rigid plastic. More specifically, the material of the frame 2 can be PC (Polycarbonate, polycarbonate), ABS (Acrylonitrile butadiene Styrene copolymers, acrylonitrile-butadiene-styrene copolymer) and nylon (Nylon, polyamide), etc. The material of 3 can be PP (Polypropylene, polypropylene), PE (polyethylene, polyethylene), PA66 (polyamide 66 or nylon 66), TPE (Thermoplastic Elastomer, thermoplastic elastomer TPE), etc.
如图8至图10所示，本发明还提供了一种呼吸面罩。该呼吸面罩包括连接管1、框架2、衬垫4和本发明的呼吸面罩连接件3。As shown in Fig. 8 to Fig. 10, the present invention also provides a breathing mask. The breathing mask comprises a connecting tube 1, a frame 2, a liner 4 and a connecting piece 3 of the breathing mask of the present invention.
如图8所示，在本发明呼吸面罩的一个具体实施例中，呼吸面罩连接件3的内壁面(球面32)与连接管1的管头11球窝配合。呼吸面罩连接件3的外壁面(连接面31)上设有第一连接部33和第二连接部34，第一连接部33和第二连接部34均为环向凸起。第一连接部33和第二连接部34形成了配合环槽35。衬垫4上设有与配合环槽35相配合的配合环凸41。As shown in FIG. 8 , in a specific embodiment of the breathing mask of the present invention, the inner wall surface (spherical surface 32 ) of the breathing mask connecting piece 3 is in ball-and-socket fit with the tube head 11 of the connecting tube 1 . A first connecting portion 33 and a second connecting portion 34 are provided on the outer wall surface (connecting surface 31 ) of the respiratory mask connecting piece 3 , both of which are annular protrusions. The first connecting portion 33 and the second connecting portion 34 form a matching ring groove 35 . A mating ring protrusion 41 matching the mating ring groove 35 is provided on the liner 4 .
本发明的呼吸面罩在装配时，可先将连接管1的管头11装配至呼吸面罩连接件3上，然后将装配在一起的连接管1和呼吸面罩连接件3装配至框架2中。连接件3的连接面31受到框架2的包裹，连接件3的开口难以变形，所以连接管1不容易松脱。接着将呼吸面罩连接件3和框架2通过例如是超声波焊接的方式连接在一起，再将衬垫4装配至呼吸面罩连接件3上。When assembling the breathing mask of the present invention, the pipe head 11 of the connecting pipe 1 can be assembled to the breathing mask connecting piece 3 first, and then the assembled connecting pipe 1 and breathing mask connecting piece 3 can be assembled into the frame 2 . The connecting surface 31 of the connecting piece 3 is wrapped by the frame 2, and the opening of the connecting piece 3 is difficult to deform, so the connecting pipe 1 is not easy to loosen. Next, the breathing mask connecting piece 3 and the frame 2 are connected together by, for example, ultrasonic welding, and then the liner 4 is assembled on the breathing mask connecting piece 3 .
本发明的呼吸面罩在使用时，衬垫4与使用者的面部接触并实现与面部的密封，使用者的口和/或鼻位于气体腔室5内，连接管1将气体输送至气体腔室5以供给使用者呼吸。When the breathing mask of the present invention is in use, the liner 4 is in contact with the user's face and realizes sealing with the face, the user's mouth and/or nose are located in the gas chamber 5, and the connecting pipe 1 delivers the gas to the gas chamber 5 to supply the user with breathing.
佩戴呼吸面罩的使用者身体或头部移动时，连接管1相对于框架2在呼吸面罩连接件3内转动，从而减小或避免连接管1对框架2的拉扯，保证衬垫4的密封效果，保证使用者佩带的舒适度。When the body or head of the user wearing the breathing mask moves, the connecting tube 1 rotates in the breathing mask connector 3 relative to the frame 2, thereby reducing or avoiding the pulling of the connecting tube 1 on the frame 2 and ensuring the sealing effect of the gasket 4 , to ensure the comfort of the user to wear.
虽然已经通过例子对本发明的一些特定实施例进行了详细说明，但是本领域的技术人员应该理解，以上例子仅是为了进行说明，而不是为了限制本发明的范围。本领域的技术人员应该理解，可在不脱离本发明的范围和精神的情况下，对以上实施例进行修改。本发明的范围由所附权利要求来限定。Although some specific embodiments of the present invention have been described in detail through examples, those skilled in the art should understand that the above examples are for illustration only and not intended to limit the scope of the present invention. Those skilled in the art will appreciate that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211168283.1ACN115607791A (en) | 2017-01-06 | 2017-01-06 | breathing mask |
| CN201710010782.0ACN106861002A (en) | 2017-01-06 | 2017-01-06 | Respiratory mask connector and respiratory mask |
| PCT/CN2017/116047WO2018126863A1 (en) | 2017-01-06 | 2017-12-14 | Respiratory mask connector and respiratory mask |
| EP17890215.1AEP3566734B1 (en) | 2017-01-06 | 2017-12-14 | Respiratory mask connector and respiratory mask |
| US16/475,949US11484679B2 (en) | 2017-01-06 | 2017-12-14 | Respiratory mask connector and respiratory mask |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710010782.0ACN106861002A (en) | 2017-01-06 | 2017-01-06 | Respiratory mask connector and respiratory mask |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211168283.1ADivisionCN115607791A (en) | 2017-01-06 | 2017-01-06 | breathing mask |
| Publication Number | Publication Date |
|---|---|
| CN106861002Atrue CN106861002A (en) | 2017-06-20 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710010782.0APendingCN106861002A (en) | 2017-01-06 | 2017-01-06 | Respiratory mask connector and respiratory mask |
| CN202211168283.1APendingCN115607791A (en) | 2017-01-06 | 2017-01-06 | breathing mask |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211168283.1APendingCN115607791A (en) | 2017-01-06 | 2017-01-06 | breathing mask |
| Country | Link |
|---|---|
| US (1) | US11484679B2 (en) |
| EP (1) | EP3566734B1 (en) |
| CN (2) | CN106861002A (en) |
| WO (1) | WO2018126863A1 (en) |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20170620 | |
| RJ01 | Rejection of invention patent application after publication |